If you define an EE as a chicken that could have the blue egg gene and could lay blue or green eggs, they can be any color, shape, or size. Their legs can be any color. They tend to have pea combs, but that is not a requirement.

Certain hatcheries have tendencies with their EE's. If you mention where you got it, people that got EE's from there can tell you what the tendencies of that hatchery's EE's are. But I don't see anything there that says that is or is not an EE.

Sometimes patterns show up in the plumage even from chicks with yellow down. I've been surprised by how some of my yellow chicks have feathered out. To me, that is part of the fun of mixes. And EE's are mixes.